Lesson 48 of 84 · Engineering and Design

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Comparing Our Results (Part 3)

🧪Lab Brief #48

Engineering and Design.

🎯 Your mission

Set it up. Test it. Be amazed.

⚡ The twist

Constraints make you more creative, not less.

🤯

Mind = Blown

🛠️ The first computer bug was a literal moth stuck inside a machine in 1947.

🔮

Make a hypothesis first

Before you test: how many tries until it works?

What You'll Learn

Good scientists repeat their experiments to make sure the results are the same each time.

Key Words

record
predict
tool

Materials Needed

popsicle sticks
pennies
plastic wrap

Safety First

Wear safety goggles when mixing liquids.

Steps

Step 1 — Read

Read the introduction. What is this lesson about?

Step 2 — Do

Build a tower from spaghetti and marshmallows. Measure how tall you can make it.

Step 3 — Observe

Look for something that changed. What is it?

Step 4 — Record

Circle the correct answer on your worksheet.

Check Your Understanding

Question 1

1 of 3

Is it okay to make mistakes in science?

How sure are you going to be?😐 maybe

🌍

Where you see this in real life

Every bridge, building, and gadget you've ever used started with this.

🏆

Stretch Challenge

Try this in real life this week.

Find something that's broken at home and try to figure out *why* it broke.

👨‍👩‍👧

For the dinner table

“What's something around the house you'd redesign — and how?”

🎯

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

🧬Share card

Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

🖨️

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